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annotate src/org/eclipse/jetty/util/HostMap.java @ 803:166b16bda630

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remove org.eclipse.jetty.util.preventers
author Franklin Schmidt <fschmidt@gmail.com>
date Wed, 07 Sep 2016 21:21:32 -0600
parents 3428c60d7cfc
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1 //
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2 // ========================================================================
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3 // Copyright (c) 1995-2014 Mort Bay Consulting Pty. Ltd.
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4 // ------------------------------------------------------------------------
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5 // All rights reserved. This program and the accompanying materials
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6 // are made available under the terms of the Eclipse Public License v1.0
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7 // and Apache License v2.0 which accompanies this distribution.
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8 //
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9 // The Eclipse Public License is available at
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10 // http://www.eclipse.org/legal/epl-v10.html
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11 //
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12 // The Apache License v2.0 is available at
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13 // http://www.opensource.org/licenses/apache2.0.php
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14 //
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15 // You may elect to redistribute this code under either of these licenses.
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16 // ========================================================================
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17 //
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18
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19
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20 package org.eclipse.jetty.util;
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21
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22 import java.util.HashMap;
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23 import java.util.HashSet;
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24 import java.util.Map;
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25
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26 /* ------------------------------------------------------------ */
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27 /**
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28 */
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29 @SuppressWarnings("serial")
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30 public class HostMap<TYPE> extends HashMap<String, TYPE>
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31 {
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32
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33 /* --------------------------------------------------------------- */
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34 /** Construct empty HostMap.
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35 */
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36 public HostMap()
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37 {
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38 super(11);
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39 }
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40
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41 /* --------------------------------------------------------------- */
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42 /** Construct empty HostMap.
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43 *
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44 * @param capacity initial capacity
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45 */
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46 public HostMap(int capacity)
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47 {
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48 super (capacity);
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49 }
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50
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51 /* ------------------------------------------------------------ */
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52 /**
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53 * @see java.util.HashMap#put(java.lang.Object, java.lang.Object)
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54 */
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55 @Override
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56 public TYPE put(String host, TYPE object)
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57 throws IllegalArgumentException
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58 {
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59 return super.put(host, object);
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60 }
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61
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62 /* ------------------------------------------------------------ */
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63 /**
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64 * @see java.util.HashMap#get(java.lang.Object)
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65 */
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66 @Override
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67 public TYPE get(Object key)
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68 {
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69 return super.get(key);
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70 }
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71
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72 /* ------------------------------------------------------------ */
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73 /**
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74 * Retrieve a lazy list of map entries associated with specified
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75 * hostname by taking into account the domain suffix matches.
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76 *
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77 * @param host hostname
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78 * @return lazy list of map entries
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79 */
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80 public Object getLazyMatches(String host)
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81 {
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82 if (host == null)
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83 return LazyList.getList(super.entrySet());
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84
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85 int idx = 0;
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86 String domain = host.trim();
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87 HashSet<String> domains = new HashSet<String>();
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88 do {
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89 domains.add(domain);
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90 if ((idx = domain.indexOf('.')) > 0)
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91 {
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92 domain = domain.substring(idx+1);
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93 }
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94 } while (idx > 0);
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95
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96 Object entries = null;
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97 for(Map.Entry<String, TYPE> entry: super.entrySet())
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98 {
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99 if (domains.contains(entry.getKey()))
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100 {
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101 entries = LazyList.add(entries,entry);
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102 }
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103 }
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104
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105 return entries;
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106 }
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107
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108 }